Home / 17,154.20-25,712.10-7,291.80

Finding the Fourth Proportional to 17,154.20, 25,712.10 and 7,291.80

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Solution

The fourth proportional to 17,154.20, 25,712.10 and 7,291.80 is: 10,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.20 : 25,712.10 = 7,291.80 : x
  2. Step 2: Convert to fraction form
    17,154.20/25,712.10 = 7,291.80/x
  3. Step 3: Cross multiply
    17,154.20x = 25,712.10 × 7,291.80
  4. Step 4: Simplify right side
    17,154.20x = 187,487,490.78
  5. Step 5: Solve for x
    x = 187,487,490.78/17,154.20
  6. Step 6: Final answer
    x = 10,929.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.